AA 5156 then DL 5741 at Charlotte
Allentown → Charlotte → New York JFK
Timetable, Charlotte time
13:46AA 5156 from Allentown at the gate
14:30DL 5741 to New York JFK leaves the gate
44 min apart on the timetable
The last days
AA 5156 and DL 5741 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.